Phil Howard
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2419f0ef45
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PicoGraphics/JPEGDEC: RGB332 per channel fast dither.
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2022-06-13 20:12:03 +01:00 |
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Phil Howard
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602d1b41dd
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PicoGraphics: Attempt at dither and scanline interrupts.
Currently both unused and both very slow.
Dither may only be feasible for <=8 colour displays.
JPEGDEC will dither to 4-bit greyscale quite happily.
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2022-06-13 20:12:03 +01:00 |
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Phil Howard
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656d69399a
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JPEGDEC: Fix dither buffer size
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2022-06-13 20:12:03 +01:00 |
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Phil Howard
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d2b065d2da
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JPEGDEC: Use 4-bit dither.
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2022-06-13 20:12:03 +01:00 |
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Phil Howard
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8917505175
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JPEGDEC: Add open_file.
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2022-06-13 20:12:03 +01:00 |
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Phil Howard
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7f0fe44881
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JPEGDEC: Move to libraries, use C++, draw into PicoGraphics.
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2022-06-13 20:12:03 +01:00 |